保留数组key,value置为0

function setArraytoZero(&$array) {
	foreach ($array as &$value){
		if(is_array($value)) {
			$this->setArraytoZero($value);
		}else {
				$value = 0;
			}
		}
	}

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转载自blog.csdn.net/sinat_34191046/article/details/84307745